{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "276441",
    "entityType": "User",
    "nonce": "0x9ac8b82b28e05eb6608f76aa168c115c77e5626979b4a60d21176b488020ee14",
    "signature": "0x94f685cd4535dbde5ff6d82dd9e19aa5ba8743904fe164ff72d4251ad21c59f04919ba7411b087f9aff0a35698f11c6457771368dcb855f4f9541d7965870b3d1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}